"""Create recovery_planner
Generated by Phi-Octopus Eden
2025-11-05 20:33:49.212269
"""

```python
from typing import Any, Dict


class RecoveryPlanner:
    """
    A class designed for limited error recovery in a system.
    
    This planner allows defining a set of predefined actions to recover from specific errors or states within a system.
    """

    def __init__(self):
        self.recovery_actions: Dict[str, Any] = {}

    def add_recovery_action(self, error_type: str, action: Any) -> None:
        """
        Adds an error type and corresponding recovery action to the planner.

        :param error_type: The type of error that this action is meant to recover from.
        :param action: A function or callable object that will be invoked to attempt recovery.
        """
        self.recovery_actions[error_type] = action

    def execute_recovery_action(self, error_type: str) -> Any:
        """
        Executes the recovery action for a given error type.

        If no recovery action is defined for the provided error type, returns None.

        :param error_type: The type of error to attempt recovering from.
        :return: The result of executing the recovery action or None if no action exists.
        """
        return self.recovery_actions.get(error_type, lambda: None)()


# Example usage
def fix_network_error():
    print("Attempting to fix network connection...")
    # Placeholder code for actual error handling and recovery logic
    pass


def restart_service():
    print("Restarting service in 5 seconds... (Simulated)")
    # Placeholder code for service restarting mechanism
    pass


recovery_planner = RecoveryPlanner()
recovery_planner.add_recovery_action('network_error', fix_network_error)
recovery_planner.add_recovery_action('service_down', restart_service)

# Simulating an error and attempting recovery
print("Simulating network error...")
result = recovery_planner.execute_recovery_action('network_error')
if result is not None:
    print(f"Error recovered: {result}")
else:
    print("Failed to recover from the error.")

```